CVE-2026-20666

Analyzed Analyzed - Analysis Complete

Authorization Bypass in macOS Tahoe Allows Sensitive Data Access

Publication date: 2026-02-11

Last updated on: 2026-02-12

Assigner: Apple Inc.

Description

An authorization issue was addressed with improved state management. This issue is fixed in macOS Tahoe 26.3. An app may be able to access sensitive user data.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-02-11

Last Modified

2026-02-12

Generated

2026-07-06

AI Q&A

2026-02-12

EPSS Evaluated

2026-07-05

NVD

CVE-2026-20666

EUVD

EUVD-2026-6722

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	to 26.3 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-285	The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability is an authorization issue in macOS Tahoe that was addressed by improving state management. Due to this issue, an application may be able to access sensitive user data without proper authorization.

Impact Analysis

The vulnerability could allow an app to access sensitive user data improperly, potentially leading to unauthorized disclosure of personal or confidential information.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

The vulnerability is fixed in macOS Tahoe 26.3. To mitigate this issue, you should update your system to macOS Tahoe 26.3 or later.

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